Ford Focus Knock Sensors

Your Ford Focus will be happy to know that the search for the right Knock Sensors you’ve been looking for is over! Advance Auto Parts has 5 different Knock Sensors for your vehicle, ready for shipping or in-store pick up. The best part is, our Ford Focus Knock Sensors start from as little as $25.99.

When it comes to your Ford Focus, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Knock Sensors brands so you can shop with complete confidence. Some of our top Knock Sensors brands are Carquest Premium and Delphi. We’re sure you will get the right product to keep that Focus running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Knock Sensors for your Focus, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Ford Knock Sensors

Bosch – Knock Sensor (Part No.0261231183)

Knock Sensor

from

$52.99
Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:
  • Bosch OE quality knock sensors for optimum engine protection
  • Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
  • Bosch OE quality knock sensors increase torque up to 5%
  • Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3679)

Ignition Knock (Detonation) Sensor

from

$33.99
MotoRad Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3702)

Ignition Knock (Detonation) Sensor

from

$43.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3779)

Ignition Knock (Detonation) Sensor

from

$57.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3684)

Ignition Knock (Detonation) Sensor

from

$51.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Bosch – Knock Sensor (Part No.0261231314)

Knock Sensor

from

$36.99
Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:
  • Bosch OE quality knock sensors for optimum engine protection
  • Bosch OE quality knock sensors improve combustion efficiency and reduce fuel consumption up to 9%
  • Bosch OE quality knock sensors increase torque up to 5%
  • Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties
See More

Bosch – Knock Sensor (Part No.0261231316)

Knock Sensor

from

$28.99
Bosch OE quality knock sensors for optimum engine protection and fuel consumption reduction up to 9%

Product Features:
  • Bosch OE quality knock sensors for optimum engine protection
  • Los sensores de golpeo o fase Bosch son diseñados bajo especificaciones de equipo original para una mejor protección del Motor
  • Bosch OE quality knock sensors increase torque up to 5%
  • Bosch OE quality knock sensors enable the use of multiple quality fuels with various anti-knock properties
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NTK – Ignition Knock (Detonation) Sensor (Part No.ID0141)

Ignition Knock (Detonation) Sensor

from

$36.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • Reinforced and extra-strength components are used to reduce chance of part failure and prevent corrosion and moisture penetration. Mounting threads match OE for easy, worry free installation.
  • NTK’s Ignition Knock Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper ignition timing. This advanced technology is used for durability, drivability and fuel economy.
  • The Ignition Knock (Detonation) Sensor monitors vibrations caused by engine knock, or detonation, to alter the ignition timing and prevent detonation.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3736)

Ignition Knock (Detonation) Sensor

from

$33.99
MotoRad Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Bosch – Bosch Knock Sensor (Part No.F6020352537BOS)

Bosch Knock Sensor

from

$39.93
Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:
  • High Precision Even under Extreme Conditions
  • Improved efficiency and prolonged engine life
  • Linear signal over large frequency range
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Delphi – Knock Sensor (Part No.AS10200)

Knock Sensor

from

$33.49
Manufactured to meet or exceed OE requirements; Delphi Knock Sensors help maximize engine performance with all fuels; Delphi Knock Sensors prevent against engine damage from pre-ignition knocking.

Product Features:
  • Delphi knock sensors help maximize engine performance with all fuels
  • Delphi knock sensors prevent against engine damage from pre-ignition knocking
  • Calibrated for a wide variety of frequencies to detect shifts, and adjust to provide accurate signals to help maximize engine performance
  • Flat frequency response allows the same sensor to be used on different engines and the sensor responds to knock frequencies higher than the primary frequency
  • Ground-isolated design with 2-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Self-generating piezoelectric design requires no power to the sensor
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3748)

Ignition Knock (Detonation) Sensor

from

$145.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3884)

Ignition Knock (Detonation) Sensor

from

$49.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3905)

Ignition Knock (Detonation) Sensor

from

$45.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3804)

Ignition Knock (Detonation) Sensor

from

$25.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Bosch – Knock Sensor (Part No.F6020200560BOS)

Knock Sensor

from

$46.45
Bosch Knock Sensors are highly accurate and sensitive to detect engine knock, ensuring efficient performance and long life of your vehicle.

Product Features:
  • High Precision Even under Extreme Conditions
  • Improved efficiency and prolonged engine life
  • Linear signal over large frequency range
See More

Delphi – Knock Sensor (Part No.AS10062)

Knock Sensor

from

$187.99
Manufactured to meet or exceed OE requirements; Delphi Knock Sensors help maximize engine performance with all fuels; Delphi Knock Sensors prevent against engine damage from pre-ignition knocking.

Product Features:
  • Delphi knock sensors help maximize engine performance with all fuels
  • Delphi knock sensors prevent against engine damage from pre-ignition knocking
  • Calibrated for a wide variety of frequencies to detect shifts, and adjust to provide accurate signals to help maximize engine performance
  • Flat frequency response allows the same sensor to be used on different engines and the sensor responds to knock frequencies higher than the primary frequency
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Self-generating piezoelectric design requires no power to the sensor
See More

Carquest Premium – Knock Sensor (Part No.SBC4116)

Knock Sensor

from

$185.99
Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3803)

Ignition Knock (Detonation) Sensor

from

$75.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Knock Sensor (Part No.SBC3874)

Knock Sensor

from

$72.99
Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Premium Ignition Knock (Detonation) Sensor SBA6043 (Part No.SBA6043)

Premium Ignition Knock (Detonation) Sensor SBA6043

from

$66.99
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

Product Features:
  • The Ignition Knock Sensor is a piezo chrystal type sensor that reports harmonics within the engine block as the result of unfavorable ignition in the combustion chamber. The engine control module will make ignition timing and fuel injection pulse adjustme
  • Computer-Aided Design (CAD), laser scanning and 3D printing “ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) “ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.EKA1016)

Ignition Knock (Detonation) Sensor

from

$63.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Forecast – Forecast Knock Sensor (Part No.F6020200559FOR)

Forecast Knock Sensor

from

$62.30
The Forecast OE quality knock sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as first equipment.

Product Features:
  • OEM quality direct fit application
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Mounting hole is the same size as OE
  • Maintains OE specifications for frequency response
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Carquest Premium – Knock Sensor (Part No.SBC3882)

Knock Sensor

from

$58.99
Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA5407)

Ignition Knock (Detonation) Sensor

from

$58.99
Ignition Knock (Detonation) Sensor

FAQs for Ford Focus Knock Sensors

What are the most popular Knock Sensors for the Ford Focus?

With 2 brands you can trust, our most popular Knock Sensors for the Ford Focus are:
Knock Sensor
from $33.49
This product is not rated
Knock Sensor
Knock Sensors
Ignition Knock (Detonation) Sensor
from $33.99
This product is not rated
Ignition Knock (Detonation) Sensor
Knock Sensors
Ignition Knock (Detonation) Sensor
from $45.99
This product is not rated
Ignition Knock (Detonation) Sensor
Knock Sensors